Games like Last Definitive Fantasy
Games like Last Definitive Fantasy include Undertale, DELTARUNE, Disco Elysium - The Final Cut, There Is No Game: Wrong Dimension, and To the Moon. We matched them by the tags players give Last Definitive Fantasy on Steam (RPG, Point & Click, Exploration, 2D, and Indie): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: RPG · Story Rich · Funny

DELTARUNE
Shared: RPG · Story Rich · Funny

Disco Elysium - The Final Cut
Shared: RPG · Story Rich · Point & Click

There Is No Game: Wrong Dimension
Shared: Point & Click · Indie · Funny

To the Moon
Shared: Indie · Story Rich · RPG

Hollow Knight: Silksong
Shared: Indie · 2D · Exploration

Papers, Please
Shared: Point & Click · Indie · Singleplayer

Deponia
Shared: Point & Click · Funny · Indie

Finding Paradise
Shared: RPG · 2D · Story Rich

Fallout: New Vegas
Shared: RPG · Exploration · Singleplayer

Hollow Knight
Shared: 2D · Indie · Exploration

鬼谷八荒 Tale of Immortal
Shared: RPG · Singleplayer · Exploration

OMORI
Shared: RPG · Indie · Story Rich

Fallout 4
Shared: RPG · Exploration · Singleplayer

Turnip Boy Commits Tax Evasion
Shared: RPG · Exploration · Funny

OneShot
Shared: Indie · Story Rich · Singleplayer

Clair Obscur: Expedition 33
Shared: RPG · Story Rich · Exploration

Tangle Tower
Shared: Point & Click · Exploration · Funny

Esoteric Ebb
Shared: RPG · Story Rich · Singleplayer

Cyberpunk 2077
Shared: RPG · Story Rich · Singleplayer

South Park™: The Stick of Truth™
Shared: RPG · Funny · 2D

West of Loathing
Shared: RPG · Funny · Indie

Dungeon Munchies
Shared: Indie · RPG · Funny

Broken Age
Shared: Point & Click · Indie · Story Rich